condition	mean	min	max
4 h after light	554.4	554.4	554.4
8 h after light	586.0	460.5	711.5
12 h after light	648.65	560.8	736.5
4 h after dark	547.8	450.1	645.5
8 h after dark	418.85	390.7	447.0
12 h after dark	477.6	451.5	503.7